Year	annual %
1960	1.7411808474692299
1961	2.077138331378615
1962	3.5534986597407348
1963	2.9216411190018903
1964	3.416280396555585
1965	3.9866196012713253
1966	3.703357186695065
1967	3.31932361134947
1968	3.242828876794545
1969	2.67462365971336
1970	4.506088929860435
1971	5.24097448273094
1972	6.00738969862495
1973	7.749086129192046
1974	13.16360261207955
1975	10.467573464371899
1976	9.347052796052484
1977	9.76746473607037
1978	7.75523144587007
1979	8.221686930055206
1980	12.91144232663825
1981	11.7673874344181
1982	9.58492764677445
1983	8.66927159808522
1984	7.67380262247321
1985	5.39548620170352
1986	3.67818411863452
1987	4.01999345683163
1988	4.5351330101572
1989	6.25983137956977
1990	6.1495653117985
1991	5.484743915920145
1992	6.21737539647154
1993	4.85416666666693
1994	4.71841373967329
1995	4.42664550286654
1996	3.55884559338558
1997	3.11207791953272
1998	2.40768094534715
1999	2.15717918055059
2000	3.15076707022592
2001	3.37396832213867
2002	2.42443661219697
2003	2.09199838997655
2004	2.28621706801675
2005	2.48769665164088
2006	2.66631494577069
2007	2.5106656524034
2008	4.16497193524764
2009	0.839262246793887
2010	1.53112270420926
2011	3.28944939564211
2012	2.66284165508021
2013	1.21999342274306
2014	0.19934382657075
2015	-0.0616446800641672
2016	0.18333486112386
2017	1.42910743319306
2018	1.7386086198818
2019	1.63052260754344
2020	0.476498852725066
2021	2.55450699642041
2022	8.83369886749452
2023	6.29942487419125